Let's start with what objective means given the word’s versatility. In philosophy, objective refers to existence apart from perception. An object independent of perception does not change with our feelings, interpretations, or prejudices. Applied to moral values; if they are objective, then they are discovered, not invented. Contrast this with subjective moral values which change from person to person, culture to culture, etc. If morality is objective, it is reasonable to ask: What is the mind-independent basis for objective morality and is this basis sufficiently binding? In other words, it is not enough to show some external ground for morality and then subjectively link that grounding with obligation. Obligation to a particular ethical system must transcend personal preference and also have some significant grounding in the object of perception.

There is also the issue of universality. Morality is universal if the basis for objectivity is not confined to a particular time and space. Some say it is enough for moral values to qualify as universal if they apply equally to all individuals in relevantly similar circumstances. Either way, universality depends on objectivity for it is difficult to imagine subjective moral values applying equally to all people, in all places, and at all times. Universality may be viewed differently depending on your view of God. The atheist will likely argue morality is meaningless without man, since on their view, he is the measure of all things. The theist will probably think differently. For example, if the human race had been completely wiped out in World War II, the Holocaust would still be objectively wrong today under theism. The mind of God and His judgment persist.

On Christianity moral values have their objective and universal basis in the immutable nature of God. He neither arbitrarily created the moral law, nor is there an external moral domain in which God is subject. Moral values are, because of who God is. Now there is a common misconception where it is thought all monotheists, such as Christians, are moral objectivists and all non-monotheists (agnostics, atheists, pantheists, etc.) are moral relativists. That is not the case. Whether an individual position can be reasonably argued or not; there are plenty of worldviews where it is thought morality finds its objectivity in something other than God. Those like the late Ayn Rand believe man’s self-interest or human survival is the objective foundation for ethics. The new atheists point to human flourishing. There are environmentalists who think the perpetuation of the earth’s biosphere is an objective foundation. Some eastern religions believe in a sort of Platonic realm which is the source of our moral perceptions. So it’s safe to say all sorts of worldviews hold a belief in objective morality.

But are all of the various claims of objectivity truly binding? Take human self-interest. Randian morality would claim this is an objective foundation for ethics. Yet I would argue there is a certain subjectivity involved in this case as Ayn Rand and other like-minded followers decided human self-interest (which is real and objective) is universally binding. Compare this with our hypothetical environmentalist. Let’s say he is in favor of sterilizing the entire African continent because the cost incurred by the population is worth the benefit to the biosphere. The Randian objectivist holds individual self-interest and the libertarian right to be left alone by others trumps an uncertain future for the biosphere. Who will adjudicate between these views and on what objective basis? You cannot appeal to the rule of the land because might does not necessarily make right. If country A holds the biosphere above people and invades and sterilizes country B who holds the individual higher, was country A’s act morally permissible? You and I may say the hypothetical act of Country A was wrong, but there would have to be an overriding ethic to make such a claim.

This leads us to the moral nihilist who rejects the objectivity of morality altogether. Michael Ruse, who teaches in my hometown at Florida State University, appears to agree with moral nihilism or at best sees survival as an objective basis:

Morality is a biological adaptation no less than are hands and feet and teeth…Considered as a rationally justifiable set of claims about an objective something, ethics is illusory. I appreciate that when somebody says 'Love they neighbor as thyself,' they think they are referring above and beyond themselves…Nevertheless...such reference is truly without foundation. Morality is just an aid to survival and reproduction…and any deeper meaning is illusory…[1]

If we are all chance-configured bags of atoms equipped with meat computers doing our best to survive on an insignificant planet orbiting one of three hundred sextillion stars in a universe winding down to heat-death; it is hard to see how morality is objective, universal and binding. If I were an atheist, I would adopt moral nihilism and try to be a good person for utilitarian reasons (not to say as a Christian I do not make utilitarian choices.) So I agree, without God, there is no objective basis for morality.

Then there are those who opt out of this discussion altogether and simply claim to navigate moral waters by being reasonable and rational. Yet history shows this can be a misleading approach and few would argue Nazi scientists lacked the cognitive faculty for moral reasoning. In the interest of brevity, consider the conclusion by atheist Kai Neilson who said it well: “Pure practical reason, even with a good knowledge of the facts, will not take you to morality.” Those who claim to make moral judgments by just being reasonable are not being very articulate. For example, if someone asks you how to lose weight; you might say exercise and smaller portions are reasonable choices, but to merely say you should act reasonably does not really answer the question. Surely reason has to work in concert with knowledge to be useful here. But as Neilson said, something else is needed to get you to morality.

But what about those who claim a divine basis for objective morality is problematic. Religious groups argue, disagree and fight with each other - all in the name of objective moral values handed down from on high. Even within a single religious camp there is some disagreement about what is objectively right and wrong. Take the death penalty. Some Christians feel as I do that the Bible paints a clear narrative where man should not usurp God’s authority on when life begins and ends. Abortion, euthanasia and the death penalty are all morally wrong from my understanding. However, other Christians accept a pro-death-penalty exegesis of Scripture. Who’s right in the mind of God? Well there is no easy answer! But critics confuse the epistemic problem (the knowing) with the ontological problem (the reality) and miss the point. God’s moral position on the death penalty is the correct one. Instead of sticking our heads in the sand because there is occasional disagreement, we ought to continually devote ourselves to understanding God’s position. If the God of Christianity does not exist, it’s senseless to point to problems in the Church around divine commands. It would make as much sense to argue about the worldwide chimney damage caused by Santa Claus. If the Christian God does exist, focusing on the same problem is just an excuse to be negligent.

So do we get to decide how binding an ethical system is regardless of its objective grounds? I suggest we do except in one and only one case. God is the exception. As the greatest conceivable being, creator of all things, and locus of moral value, mere created-man does not get to decide if His divine commands are binding. As volitional creatures, we only get to decide if we are going to obey His commands or not. In all other ethical systems you have a degree of personal preference. Subjectivity is involved if it is human flourishing, self-interest, a green planet, or that which creates the most pleasure, happiness, profit, etc. There is no universally binding obligation to abide by these systems. If a Randian objectivist rejects the virtue of self-sacrifice based on the objective principle of man’s self-interest, why should I be obligated by their morality and act selfishly? Some would say we have no choice but to abide by human self-interest, since we are human and therefore it is universally binding. But this only makes sense if man is the measure of all things. If a hyper-intelligent race of aliens were to come through our solar system and consume the entire human population like we consume cattle, would this be wrong? Who will adjudicate and on what objective basis?

In conclusion; universally binding objective moral values exist if and only if God exists.[2] Those who see objectivity apart from God subjectively assign obligatory value to the object of perception. When we see these systems in conflict and must appeal to a higher ethic, it should raise doubt about their status. If we live in the atheist's material universe, then there is no ultimate justice or final moral consequence. At death, all of our moral choices in life become irrelevant. Legacy does not help to resolve the problem. Once we are dead, the deep sleep of non-existence dissolves time and space leaving no gap between now and the mass extinction of man when the universe reaches maximum entropy. But if the Christian God exists, then our relationship to Him is essential to moral obligation. As consequence approaches eternity, obligation approaches infinity.

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About the author

I am a Christian, husband, father of two daughters, an owner of ISC, lead architect of MapDotNet, armchair apologist and philosopher, writer of hand-crafted electronic music, and a kid around anything that flies (rockets, planes, copters, boomerangs, hot air baloons, lawn furniture)